🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.74 AU - 1.16 AU

Year: 342 Days

Day: 47.7 Hours

Environment

Temp: 30 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.88 AU - 1.06 AU

Year: 352 Days

Day: 29 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 32,941,041 km

• M1: 16,905 km (0.066 R)
• M2: 124,316 km (0.04 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.01 AU - 1.35 AU

Year: 473 Days

Day: 30.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.26 AU - 3.38 AU

Year: 1747 Days

Day: 22.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.66 AU - 3.02 AU

Year: 1766 Days

Day: 24.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,941,041 km

• M1: 589,565 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.69 AU - 3.95 AU

Year: 2755 Days

Day: 21.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,941,041 km

• M1: 1,356,703 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.9

Radius: 12.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.8 AU - 12.78 AU

Year: 12179 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 32,941,041 km

• M1: 383,868 km (0.108 R)
• M2: 744,848 km (0.094 R)
• M3: 878,588 km (0.059 R)
• M4: 1,187,358 km (0.108 R)
• M5: 1,513,482 km (0.029 R)
• M6: 1,617,003 km (0.082 R)
• M7: 1,758,972 km (0.063 R)
• M8: 1,868,178 km (0.101 R)
• M9: 1,998,628 km (0.119 R)
• M10: 2,074,474 km (0.117 R)
• M11: 2,288,548 km (0.117 R)
• M12: 2,530,448 km (0.096 R)
• M13: 2,909,080 km (0.119 R)
• M14: 3,283,524 km (0.067 R)
• M15: 3,488,024 km (0.119 R)
• M16: 4,054,102 km (0.098 R)
• M17: 4,200,259 km (0.109 R)
• M18: 4,298,545 km (0.119 R)
• M19: 4,573,057 km (0.085 R)
• M20: 5,165,764 km (0.075 R)
• M21: 5,297,859 km (0.065 R)
• M22: 5,457,929 km (0.069 R)
• M23: 5,755,479 km (0.05 R)
• M24: 6,197,840 km (0.098 R)
• M25: 6,338,312 km (0.082 R)
• M26: 7,203,736 km (0.08 R)
• M27: 7,381,309 km (0.08 R)
• M28: 7,470,618 km (0.114 R)
• M29: 8,321,830 km (0.077 R)
• M30: 8,476,963 km (0.116 R)
• M31: 8,633,293 km (0.082 R)
• M32: 8,916,931 km (0.082 R)
• M33: 9,075,804 km (0.116 R)
• M34: 9,396,392 km (0.079 R)
• M35: 9,525,794 km (0.111 R)
• M36: 9,917,292 km (0.105 R)
• M37: 10,214,393 km (0.101 R)
• M38: 10,380,746 km (0.097 R)
• M39: 10,480,976 km (0.058 R)
• M40: 10,749,804 km (0.059 R)
• M41: 11,225,974 km (0.11 R)
• M42: 11,328,897 km (0.044 R)
• M43: 11,778,439 km (0.09 R)
• M44: 12,058,187 km (0.091 R)
• M45: 12,766,832 km (0.088 R)
• M46: 13,525,443 km (0.101 R)
• M47: 15,048,499 km (0.11 R)
• M48: 15,390,180 km (0.113 R)
• M49: 16,508,275 km (0.1 R)
• M50: 16,860,578 km (0.108 R)
• M51: 17,057,448 km (0.109 R)
• M52: 17,572,813 km (0.074 R)
• M53: 17,812,319 km (0.032 R)
• M54: 18,862,945 km (0.116 R)
• M55: 19,272,394 km (0.09 R)
• M56: 19,478,241 km (0.073 R)
• M57: 19,892,178 km (0.092 R)
• M58: 20,308,958 km (0.111 R)
• M59: 21,363,474 km (0.111 R)
• M60: 21,533,865 km (0.089 R)
• M61: 21,747,491 km (0.059 R)
• M62: 22,306,090 km (0.114 R)
• M63: 23,349,984 km (0.086 R)
• M64: 23,966,327 km (0.099 R)
• M65: 24,409,735 km (0.12 R)
• M66: 25,035,204 km (0.086 R)
• M67: 25,169,991 km (0.04 R)
• M68: 25,485,194 km (0.068 R)
• M69: 25,983,355 km (0.085 R)
• M70: 26,667,765 km (0.062 R)
• M71: 27,265,708 km (0.038 R)
• M72: 27,450,611 km (0.091 R)
• M73: 28,381,110 km (0.106 R)
• M74: 28,991,619 km (0.101 R)
• M75: 29,086,015 km (0.037 R)
• M76: 29,369,503 km (0.069 R)
• M77: 29,701,460 km (0.044 R)
• M78: 30,034,615 km (0.118 R)
• M79: 30,225,502 km (0.09 R)
• M80: 31,913,564 km (0.116 R)
• M81: 32,548,308 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 19,630 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit